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427/428 "FE" INVERTED DOME

Specially designed for the latest aftermarket blocks and heads, these pistons are for use with the 427 or the 428 crank and aftermarket 4.250" crank with aftermarket 6.700" rod. The factory block should be sonic checked for 4.280" and 4.310" bores. These pistons use 1/16, 1/16, 3/16 rings. The compression ratios are figured for 10.150 block height. Larger bore sizes available as customs, call JE for details.

Includes:
Pin #975-2930-16-51S (154g)
Pin #990-2930-15-51S (150g) Footnote E
Double spiro locks (#990-042-CS)

427 INVERTED DOME
Std Bore: 4.233
Ring package designed for: 1/16, 1/16, 3/16 Rings
 Tech and Installation Tips
 Valve Relief Diagram
Part # Cubic
Inches		 Bore Stroke Rod
Length		 Block
Height		 Compression
Distance
Head Cubic Centimeters
72cc 74cc 88cc
Compression Ratio
Dome
Volume		 Gram
Weight		 Footnote Oversize
242930 482 4.250 4.250 6.700 10.150 1.325 10.2 10.1 9.0 -25.0 531 E 0.017
242931 489 4.280 4.250 6.700 10.150 1.325 10.3 10.2 9.1 -25.0 521 E 0.047
242932 496 4.310 4.250 6.700 10.150 1.325 10.4 10.3 9.2 -25.0 531 E 0.077
162117 451 4.250 3.980 6.490 10.150 1.670 10.4 10.2 9.1 -16.0 598 P,W 0.017
162116 429 4.250 3.780 6.490 10.150 1.770 10.4 10.2 9.0 -11.0 612 P 0.017

Did you know? - we also offer a complete line of pistons for this particular application in our SRP product line? Click here to check them out.
 

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.

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